Study group † | Non-study group †† | P* | |
---|---|---|---|
n (%) | n (%) | ||
Woman (n) | 995 | 5286 | |
Age, mean, years (SD) | 30.8(4.503) | 30.0(5.199) | <0.001 |
min 17.1-max 44.0 | min 14.9-max 49.5 | ||
Civil status | |||
Married | 600(60.3) | 2848(53.9) | 0.001 |
Unmarried | 389(39.1) | 2387(45.2) | |
Other | 6(0.6) | 51(1.0) | |
Occupation | |||
Professional occupation | 165(16.6) | 536(10.1) | <0.001 |
Service occupation | 85(8.5) | 390(7.4) | |
Worker | 32(3.2) | 170(3.2) | |
Other/unknown | 713(71.7) | 4190(79.3) | |
Number of deliveries | |||
0 | 541(54.4) | 2324(44.0) | <0.001 |
1 | 306(30.8) | 1877(35.5) | |
2 or more | 148(14.9) | 1085(20.5) | |
Abortions | |||
Yes | 124(12.5) | 781(14.8) | 0.059 |
No | 869(85.2) | 4501(85.2) | |
Gestational age (days) mean (SD) | 278.0(12.966) | 278.0(13.526) | 0.949 |
Delivery | |||
Vaginal | 769(77.3) | 4085(77.3) | 0.416 |
Breech birth | 14(1.4) | 48(0.9) | |
Vacuum or forceps extraction | 78(7.84) | 458(8.7) | |
Section | 134(13.5) | 695(13.2) | |
Baby’s birth weight (g) mean (SD) | 3486.8(550.9) | 3513.1(567.8) | 0.179 |
min 420-max 5350 | min 230-max 6040 |